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Finding the Fourth Proportional to 227.93, 341.79 and 112.38

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Solution

The fourth proportional to 227.93, 341.79 and 112.38 is: 168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.93 : 341.79 = 112.38 : x
  2. Step 2: Convert to fraction form
    227.93/341.79 = 112.38/x
  3. Step 3: Cross multiply
    227.93x = 341.79 × 112.38
  4. Step 4: Simplify right side
    227.93x = 38,410.36
  5. Step 5: Solve for x
    x = 38,410.36/227.93
  6. Step 6: Final answer
    x = 168.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.